OpenTechnical

OT-2026-000031199

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000031199) never changes.

Identity and time

Publication numberOT-2026-000031199 · never reused
Internal UUID01a0ae74-87ab-7ffe-a1dd-982b2d0e0810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031199
StatusPUBLIC

Content hashes

Canonical text99ec53b5507ea91146ef29533127e9a5eda75dd0330a96c5a6b0319158622922
Markdown45375cf2edf7ecda2715b5edd42ba64b817d3d01e288412d9aa44ea55a164432
PDF
Publication page60c7dfbb41c0f7582a2578f1acecdc6fa6b8dcaca78e69e9e8a711bd7b6fce3d
Manifest52fc3f956386db96fd83e9e63ab2046707bd290f0b7979808e70d888daf5e4e1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBnftYKheDc/qvu7YsDZHoui7ClZI1KeKYDZMTfrOuZBP/BadktzIoRg7ESjGVt1OMh8cPv+QM9UeWJH9zwzlCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:45.669042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031199
observed 60c7dfbb41c0f7582a2578f1acecdc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.651746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031199/manifest.json
observed 52fc3f956386db96fd83e9e63ab20467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.635224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031199/publication.md
observed 45375cf2edf7ecda2715b5edd42ba64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.619031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031199/publication.txt
observed 99ec53b5507ea91146ef29533127e9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.